| Date | Person | Description |
|---|---|---|
| Condrau, Jakub | Studied philosophy, theology | |
| 1806 – 1808 | Condrau, Jakub | Studied theology in Polotsk |
| 1808 – 1820 | Condrau, Jakub | Teacher of physics, mechanics, botany, zoology, higher mathematics in Polotsk |
| 1820 – 1821 | Condrau, Jakub | Teacher of mathematics in Navarre |